1977 GHATAK, Ajoy Kumar (b. 1939) PhD(Cornell), MN Saha Distinguished Chair Professor, NASI, Prayagraj; Formerly Professor, IIT Delhi; Res. D-42, Hauz Khas, New Delhi-110016; Tel: (011) 41033386(R), 09810493018(M); Email: ; Sp. Fiber Optics/Quantum Mechanics.